Funding for this research was provided by:
The Health Research Board (HRA-PHR=201-1322)
European Research Council (iHEAR 724809)
Received: 7 May 2019
Accepted: 10 January 2020
First Online: 31 January 2020
Ethics approval and consent to participate
: Written informed assent or consent was obtained from all participants and their parents. The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008. All procedures were approved by the Beaumont Hospital Ethics (Medical Research) committee Ref 16/35.
: Not applicable
: The authors declare that they have no competing interests.